MNT Use a different variable for FATAL type and command

bin/submitjob

@@ -106,7 +106,7 @@ usage() {
     echo >&2 "                 parallelizable pipelines such ngless and jug"
     echo >&2 ""
     echo >&2 "  In addition to standard SGE/LSF/SLURM environment variables, the following"
-    echo >&2 "  can be used in the jobs file referencing the values used."
+    echo >&2 "  can be used in the jobs file to refer to the values specified/used."
     echo >&2 "    \${Q_NAME} \${Q_CORES} \${Q_MEM} \${Q_MEMALL} \${Q_TIME} \${Q_ACTIVE}"
     echo >&2 "    \${Q_QUEUE} \${Q_LOGFILE} \${Q_WAITFOR}"
     echo >&2 ""
@@ -226,7 +226,7 @@ export Q_WAITFOR="${WAITFOR}"
 ${PRE_CMDS}
 
 # If requested, enable tracebacks only after pre-commands to avoid bash-strictness failures
-${FATAL}
+${FATAL_CMD}
 
 # Comments and empty lines are removed from the job submission script
 SELECTED_JOB=\$(echo '${JOBS_TO_RUN}
@@ -275,7 +275,7 @@ export Q_WAITFOR="${WAITFOR}"
 ${PRE_CMDS}
 
 # If requested, enable tracebacks only after pre-commands to avoid bash-strictness failures
-${FATAL}
+${FATAL_CMD}
 
 # Comments and empty lines are removed from the job submission script
 SELECTED_JOB=\$(echo '${JOBS_TO_RUN}
@@ -320,7 +320,7 @@ export Q_WAITFOR="${WAITFOR}"
 ${PRE_CMDS}
 
 # If requested, enable tracebacks only after pre-commands to avoid bash-strictness failures
-${FATAL}
+${FATAL_CMD}
 
 # Comments and empty lines are removed from the job submission script
 SELECTED_JOB=\$(echo '${JOBS_TO_RUN}
@@ -475,7 +475,7 @@ JOBFILE="$1"
 if [ "$FATAL" == "fatal" ]; then
     _TRACEBACK="${_SELF_LOCATION}/../modules/helpers/traceback.bash"
     [ ! -f "$_TRACEBACK" ] && generic_error "Couldn't find helper module at '$_TRACEBACK'"
-    FATAL=". ${_TRACEBACK}"
+    FATAL_CMD=". ${_TRACEBACK}"
 fi
 
 prepare_jobs  # defines PRE_CMDS and JOBS_TO_RUN